September 2016
Intermediate to advanced
408 pages
9h 18m
English
Content preview from Haskell High Performance ProgrammingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Summary of useful RTS options
The following sections describe flags for controlling the Runtime System's behavior. The exact set of flags available depend on how the Runtime System was configured (via GHC flags).
Scheduler flags
The number of capabilities (OS threads) to use is controlled with N<n>:. This can be changed with setNumCapabilities. (default: 1)
Memory management
These are flags for controlling used heap and stack size:
-H<size>: Minimum heap size (default:0)-M<size>: Maximum heap size (default: unlimited)-ki<size>: Minimum stack size (default:512k)-K<size>: Maximum stack size (default: 80% system memory)
Garbage collection
These are flags for controlling the generational garbage collector:
-G<n>: Number of GC generations (default:2)-qg<gen> ...
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